TY

Tetsuro Yamasaki

TI Takasago International: 9 patents #46 of 465Top 10%
BR Bristol-Meyers: 6 patents #47 of 350Top 15%
BS Bristol-Myers Squibb: 4 patents #1,197 of 3,969Top 35%
Overall (All Time): #242,330 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
6489273 Fragrance compositions containing 2-cyclohexyl-1,1-dimethyl ethanol esters Takashi Aida, Hiroyuki Matsuda 2002-12-03
6440400 Trimethylcylohexane derivatives and melanin-formation inhibitors and perfumeholding agents with the use of the same Takashi Aida, Hiroyuki Matsuda, Kenya Ishida, Eiko Tamai, Kazuhiko Tokoro 2002-08-27
6379659 Keratin fiber strengthening agent and method for strengthening keratin fiber Kenya Ishida, Kazutoshi Sakurai, Miharu Ogura, Kenichiro Shiroyama 2002-04-30
6084138 (E)-(R)-2-alkyl-4-(2,2,3-trimethylcyclopent-3-en-1-yl)-2-buten-1-ol, process for preparing the same, and use thereof Takashi Aida, Makoto Harada, Takeshi Yamamoto, Hisao Iwai, Akira Amano 2000-07-04
5994291 (E)-(R)-2-alkyl-4-(2,2,3,-Trimethylcyclopent-3-en-1-yl)-2-buten-1-ol, process for preparing the same, and use thereof Takashi Aida, Makoto Harada, Takeshi Yamamoto, Hisao Iwai, Akira Amano 1999-11-30
5837828 Pradimicin derivatives Shimpei Aburaki, Toshikazu Oki, Seiji Iimura, Hajime Kamachi, Hideo Kamei +1 more 1998-11-17
5808162 Chiral unsymmetric diphosphine compound and transition metal complex containing the same as ligand Noboru Sayo, Xiaoyong Zhang, Tatsuya Omoto, Tohru Yokozawa, Hidenori Kumobayashi 1998-09-15
5631397 Process for producing optically active diaminohexanone derivative Hidenori Kumobayashi, Noboru Sayo, Toshiyuki Murayama, Noboru Sano, Takero Ishizaki 1997-05-20
5581007 Process for preparing optically active allophenylnorstatin derivatives Noboru Sayo, Hidenori Kumobayashi, Yoshifumi Yuasa, Tsukasa Sotoguchi 1996-12-03
5523458 Process for producing optically active diaminohexanone derivative Hidenori Kumobayashi, Noboru Sayo, Toshiyuki Murayama, Noboru Sano, Takero Ishizaki 1996-06-04
5466450 Antiviral antibiotic BU-4224V Mitsuaki Tsunakawa, Koji Tomita, Osamu Tenmyo 1995-11-14
5410029 Pradimicin derivatives Shimpei Aburaki, Toshikazu Oki, Seiji Iimura, Hajime Kamachi, Hideo Kamei +1 more 1995-04-25
5256646 Antiviral antibiotic BU-4224V Mitsuaki Tsunakawa, Koji Tomita, Osamu Tenmyo 1993-10-26
4912204 Fluoro-substituted epipodophyllotoxin glucosides Takeshi Ohnuma, Hideo Kamei, Takayuki Naito 1990-03-27
4278675 Bronchodilating process Takayuki Naito, Susumu Nakagawa, Taka-aki Okita, Haruhiro Yamashita 1981-07-14
4269839 Alkylthio-adenines used as bronchodilators Takayuki Naito, Susumu Nakagawa, Taka-aki Okita, Haruhiro Yamashita 1981-05-26
4241063 Purine derivatives and their use as bronchodilators Takayuki Naito, Susumu Nakagawa, Taka-aki Okita, Haruhiro Yamashita 1980-12-23
4232155 Purine compounds Takayuki Naito, Susumu Nakagawa, Taka-aki Okita, Haruhiro Yamashita 1980-11-04
4201860 Purine derivatives Takayuki Naito, Susumu Nakagawa, Taka-aki Okita, Haruhiro Yamashita 1980-05-06